How are these numbers calculated?

Big Games

How we did yesterday and who we should root for today.   Explain

Friday, 2/16100.0*Chance in playoffs100.0*Average seed
Leafs 2 Oilers 1 -17.9
-1.5
WarNAVY 5 HCDallas 2 +1.5
+0.1
GrMtnFalls 3 JagsBLACK 3 -0.8
Steamboat 6 Mariners 2 -0.6
Oilers 3 Heat 3 -0.6
+0.0
Eagles 0 HawksBLACK 4 +0.5
Mariners 1 HawksRED 3 +0.3
HCDallas 1 Eagles 0 -0.2
Heat 2 HawksBLACK 6 -0.1
Saturday, 2/17100.0*Chance in playoffs100.0*Average seed
Oilers 2 WarNAVY 5 -2.3
-0.9
HawksBLACK 3 Oilers 1 -2.2
-0.4
WarNAVY 5 Leafs 1 +0.5
-0.1
JagsBLACK 2 Eagles 2 +0.4
-0.0
JagsBLACK 6 Heat 3 -0.3
+0.1
Heat 0 GrMtnFalls 4 -0.2
+0.1
Mariners 1 GrMtnFalls 5 -0.2
HawksBLACK 3 HCDallas 0 -0.2
+0.1
Leafs 4 Mariners 1 -0.1
+0.0
Eagles 2 Steamboat 3 -0.1
+0.0
HawksRED 6 Steamboat 5 -0.1
Sunday, 2/18100.0*Chance in playoffs100.0*Average seed
Oilers 4 Mariners 1 +0.6
HCDallas 2 HawksRED 0 -0.4
HCDallas 5 Leafs 1 -0.4
HawksRED 4 Eagles 0 +0.1
Heat 1 Steamboat 5 +0.1
Games Above .500
Chance Will Make Playoffs